AUG 26, 2026 · JOURNAL ARTICLE
Heritability of postpartum depression in female twin pairs: A Danish population-based cohort study.
Journal of Affective Disorders
Well-designed population-based twin study with large sample and validated methods quantifying heritability of postpartum depression; rigorous design and clear effect size, but a genetic parameter estimate rather than a clinical trial outcome.
Reported
Sample size5209
Probandwise concordance rate (MZ…0.22
Probandwise concordance rate (MZ…0.13–0.35